1 sy100el92 micrel, inc. m9999-031306 hbwhelp@micrel.com or (408) 955-1690 description 5v and 3.3v power supplies required also, supports lvpecl-to-pecl translation 500ps propagation delays fully differential design differential line receiver capability application note available in 20-pin soic package the sy100el92 is a triple lvpecl-to-pecl or pecl- to-lvpecl translator. the device receives standard pecl signals and translates them to differential lvpecl output signals (or vice versa). sy100el92 can also be used as a differential line receiver for pecl-to-pecl or lvpecl-to- lvpecl signals. however, please note that for the latter we will need two different power supplies. please refer to function table for more details. v bb outputs are provided for interfacing single ended input signals. if a single ended input is to be used, the v bb output should be connected to the d input and the active signal will drive the d input. when used, the v bb should be bypassed to v cc via a 0.01 f capacitor. the v bb is designed to act as a switching reference for the sy100el92 under single ended input conditions. as a result, the pin can only source/sink 0.5ma of current. to accomplish the pecl-to-lvpecl level translation, the sy100el92 requires three power rails. the v cc and v cc _v bb supply is to be connected to the standard pecl supply, the 3.3v supply is to be connected to the v cco supply, and gnd is connected to the system ground plane. both the v cc and v cco should be bypassed to ground with a 0.01 f capacitor. to accomplish the lvpecl-to-pecl level translation, the sy100el92 requires three power rails as well. the 5.0v supply is connected to the v cc and v cco pins, 3.3v supply is connected to the v cc _v bb pin and gnd is connected to the system ground plane. v cc _v bb is used to provide a proper v bb output level if a single ended input is used. for differential lvpecl input v cc _v bb can be either 3.3v or 5v. under open input conditions, the d input will be biased at a v cc /2 voltage level and the d input will be pulled to gnd. this condition will force the "q" output low, ensuring stability. features triple lvpecl-to-pecl or pecl-to-lvpecl translator sy100el92 function vcc vcco vcc_v bb pecl-to-lvpecl 5.0v 3.3v 5.0v lvpecl-to-pecl 5.0v 5.0v 3.3v pecl-to-pecl 5.0v 5.0v 5.0v lvpecl-to-lvpecl 5.0v 3.3v 3.3v function table pin function dn pecl / lvpecl inputs q n pecl / lvpecl outputs v bb pecl / lvpecl reference voltage output v cco v cc for output v cc _v bb v cc for v bb output gnd common ground rail v cc v cc for internal circuitry pin names 1 rev.: g amendment: /0 issue date: march 2006
2 sy100el92 micrel, inc. m9999-031306 hbwhelp@micrel.com or (408) 955-1690 package/ordering information ordering information (1) package operating package lead part number type range marking finish sy100el92zc z20-1 commercial sy100el92zc sn-pb sy100el92zctr (2) z20-1 commercial sy100el92zc sn-pb sy100el92zi z20-1 industrial sy100el92zi sn-pb sy100el92zitr (2) z20-1 industrial sy100el92zi sn-pb SY100EL92ZG (3) z20-1 industiral SY100EL92ZG with nipdau pb-free bar-line indicator pb-free SY100EL92ZGtr (2, 3) z20-1 industrial SY100EL92ZG with nipdau pb-free bar-line indicator pb-free notes: 1. contact factory for die availability. dice are guaranteed at t a = 25 c, dc electricals only. 2. tape and reel. 3. pb-free package is recommended for new designs. 20-pin wide soic (z20-1) v cc_ v b b v b b v b b v cc v cco v cco v cc d 2 d 1 d 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 d 2 gnd q 0 q 0 q 1 q 2 q 1 q 2 d 1 d 0
3 sy100el92 micrel, inc. m9999-031306 hbwhelp@micrel.com or (408) 955-1690 pecl input dc electrical characteristics v cc _v bb = v cc = +4.5v to +5.5v; v cco = +3.0v to +3.8v t a = ?0 ct a = 0 ct a = +25 ct a = +85 c symbol parameter min. typ. max. min. typ. max. min. typ. max. min. typ. max. unit v cc power supply voltage 4.5 5.5 4.5 5.5 4.5 5.5 4.5 5.5 v v ih input high voltage (1) 3.835 4.120 3.835 4.120 3.835 4.120 3.835 4.120 v v il input low voltage (1) 3.190 3.515 3.190 3.525 3.190 3.525 3.190 3.525 v v pp minimum peak-to-peak 150 150 150 150 mv input i ih input high current 150 150 150 150 a i il input low current dn 0.5 0.5 0.5 0.5 a dn ?00 ?00 ?00 ?00 v bb output reference (1) 3.620 3.740 3.620 3.740 3.620 3.740 3.620 3.740 v i cc power supply current 12 12 8.0 12 12 ma note: 1. these levels are for v cc_ v bb = 5.0v. level specifications will vary 1:1 with v cc_ v bb. lvpecl output dc electrical characteristics v cc _v bb = v cc = +4.5v to +5.5v; v cco = +3.0v to +3.8v t a = ?0 ct a = 0 ct a = +25 ct a = +85 c symbol parameter min. typ. max. min. typ. max. min. typ. max. min. typ. max. unit v cco power supply voltage 3.0 3.8 3.0 3.8 3.0 3.3 3.8 3.0 3.8 v v oh output high voltage (1) 2.215 2.420 2.275 2.420 2.275 2.350 2.420 2.275 2.420 v v ol output low voltage (1) 1.470 1.745 1.490 1.680 1.490 1.600 1.680 1.490 1.680 v i cco power supply current 20 20 15 20 21 ma note: 1. these levels are for v cco = 3.3v. level specifications will vary 1:1 with v cco . lvpecl input dc electrical characteristics v cc _v bb = +3.0v to +3.8v (1) ; v cc = v cco = +4.5v to +5.5v t a = ?0 ct a = 0 ct a = +25 ct a = +85 c symbol parameter min. typ. max. min. typ. max. min. typ. max. min. typ. max. unit v cc power supply voltage 4.5 5.5 4.5 5.5 4.5 5.5 4.5 5.5 v v ih input high voltage (2) 2.135 2.420 2.135 2.420 2.135 2.420 2.135 2.420 v v il input low voltage (2) 1.490 1.825 1.490 1.825 1.490 1.825 1.490 1.825 v v pp minimum peak-to-peak 150 150 150 150 mv input i ih input high current 150 150 150 150 a i il input low current dn 0.5 0.5 0.5 0.5 a dn ?00 ?00 ?00 ?00 v bb output reference (2) 1.92 2.04 1.92 2.04 1.92 2.04 1.92 2.04 v i cc power supply current 12 12 8.0 12 12 ma notes: 1. v cc _v bb = 3.3v is only required for single-ended lvpecl input. for differential lvpecl input, v cc _v bb can be either 3.3v or 5v. 2. these levels are for v cc _ v bb = 3.3v. level specifications will vary 1:1 with v cc _ v bb .
4 sy100el92 micrel, inc. m9999-031306 hbwhelp@micrel.com or (408) 955-1690 pecl output dc electrical characteristics v cc _v bb = +3.0v to +3.8v; v cc = v cco = +4.5v to +5.5v t a = ?0 ct a = 0 ct a = +25 ct a = +85 c symbol parameter min. typ. max. min. typ. max. min. typ. max. min. typ. max. unit v cco power supply voltage 4.5 5.5 4.5 5.5 4.5 5.5 4.5 5.5 v v oh output high voltage (1) 3.915 4.120 3.975 4.120 3.975 4.120 3.975 4.120 v v ol output low voltage (1) 3.170 3.445 3.190 3.380 3.190 3.380 3.190 3.380 v i cco power supply current 20 20 15 20 21 ma note: 1. these levels are for v cco = 5.0v. level specifications will vary 1:1 with v cco . ac electrical characteristics (1) t a = ?0 ct a = 0 ct a = +25 ct a = +85 c symbol parameter min. typ. max. min. typ. max. min. typ. max. min. typ. max. unit t pd propagation delay diff. 430 520 630 430 520 630 430 520 630 430 520 630 ps d to q s.e. 410 540 710 410 540 710 410 540 710 410 540 710 t skew within-device skew output-to-output (2) 20 100 20 100 20 100 20 100 ps part-to-part (diff.) (2) 20 200 20 200 20 200 20 200 duty cycle (diff.) (3) 25 ?5 ?5 ?5 v pp minimum input swing (4) 150 150 150 150 mv v cmr common mode range (5) v v pp < 500mv 1.3 v cc ?.2 1.2 v cc ?.2 1.2 v cc ?.2 1.2 v cc ?.2 v pp 500mv 1.5 v cc ?.2 1.4 v cc ?.2 1.4 v cc ?.2 1.4 v cc ?.2 t r output rise/fall times q 320 580 320 580 320 580 320 580 ps t f (20% to 80%) notes: 1. power supply requirements applies as indicated in the dc electrical characteristics tables. 2. skew is measured between outputs under identical transitions. 3. duty cycle skew is the difference between a tplh and tphl propagation delay through a device common mode range. 4. minimum input swing for which ac parameters are guaranteed. the device has a dc gain of ~40. 5. the cmr range is referenced to the most positive side of the differential input signal. normal operation is obtained if the high level falls within the specified range and the peak-to-peak voltage lies between v pp min. and 1v.
5 sy100el92 micrel, inc. m9999-031306 hbwhelp@micrel.com or (408) 955-1690 20-pin soic .300" wide (z20-1) rev. 03 micrel, inc. 2180 fortune drive san jose, ca 95131 usa tel + 1 (408) 944-0800 fax + 1 (408) 474-1000 web http://www.micrel.com the information furnished by micrel in this datasheet is believed to be accurate and reliable. however, no responsibility is as sumed by micrel for its use. micrel reserves the right to change circuitry and specifications at any time without notification to the customer. micrel products are not designed or authorized for use as components in life support appliances, devices or systems where malfu nction of a product can reasonably be expected to result in personal injury. life support devices or systems are devices or systems that (a) are intend ed for surgical implant into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant inj ury to the user. a purchaser s use or sale of micrel products for use in life support appliances, devices or systems is at purchaser s own risk and purchaser agrees to fully indemnify micrel for any damages resulting from such use or sale. ? 2006 micrel, incorporated.
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